Armor and Grnades

Heavily favor armor to weapons when low on funds

Armor is absolutely essential in a game with even somewhat realistic weapons. Without armor, only a few midsection shots will bring even a completely healthy player down, and without a helmet, any headshot will. (A helmet won't protect from sniper rounds to the head, but something is better than nothing.) When buying at the start of the round, always factor in armor cost when choosing your weapons so that you don't find yourself out of money after you buy your weapons and ammunition. Always buy the armor/helmet combination if you can afford it; it is well worth the extra $350.

Learn to deliver grenades effectively

Grenades can be very effective weapons -- they can soften up the enemy for a push, finish off an entrenched and already injured foe, or provide cover where none is available. But to use them, you need to be able to throw them accurately, and know not to try throwing them when you're open to enemy fire. Aim above your target, depending on distance, so that gravity can drop the grenade down into your opponent. Lobbing is the key.